Hello,
OCD have a waxing and waning course. Anxiety can co-occur with OCD. Your anxiety will reduce once OCD is taken care off. Zoloft (Sertraline) which you were taking can be given in dose range of 50-200mg. You might need medication for a long period of time.
Next Steps
Contact nearby neuropsychiatric clinic. Dont stop medication until told by your psychiatrist.